4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2007 Develer S.r.l. (http://www.develer.com/)
32 * \brief Function library for secure digital memory.
34 * \author Francesco Sacchi <batt@develer.com>
41 #include <io/kblock.h>
42 #include <drv/timer.h>
46 #include "cfg/cfg_sd.h"
48 #define LOG_LEVEL SD_LOG_LEVEL
49 #define LOG_FORMAT SD_LOG_FORMAT
51 #include <cpu/power.h>
53 #include <string.h> /* memset */
57 * read directly from the card.
59 typedef struct CardCSD
61 uint16_t block_len; ///< Length of a block
62 uint32_t block_num; ///< Number of block on the card
63 uint16_t capacity; ///< Card capacity in MB
66 #define SD_IN_IDLE 0x01
67 #define SD_STARTTOKEN 0xFE
69 #define TIMEOUT_NAC 16384
70 #define SD_DEFAULT_BLOCKLEN 512
72 #define SD_BUSY_TIMEOUT ms_to_ticks(200)
74 static bool sd_select(Sd *sd, bool state)
82 ticks_t start = timer_clock();
85 if (kfile_getc(fd) == 0xff)
90 while (timer_clock() - start < SD_BUSY_TIMEOUT);
93 LOG_ERR("sd_select timeout\n");
105 static int16_t sd_waitR1(Sd *sd)
109 for (int i = 0; i < TIMEOUT_NAC; i++)
111 datain = kfile_getc(sd->ch);
113 return (int16_t)datain;
115 LOG_ERR("Timeout waiting R1\n");
119 static int16_t sd_sendCommand(Sd *sd, uint8_t cmd, uint32_t param, uint8_t crc)
122 /* The 7th bit of command must be a 1 */
123 kfile_putc(cmd | 0x40, fd);
126 kfile_putc((param >> 24) & 0xFF, fd);
127 kfile_putc((param >> 16) & 0xFF, fd);
128 kfile_putc((param >> 8) & 0xFF, fd);
129 kfile_putc((param) & 0xFF, fd);
133 return sd_waitR1(sd);
136 static bool sd_getBlock(Sd *sd, void *buf, size_t len)
143 for (int i = 0; i < TIMEOUT_NAC; i++)
145 token = kfile_getc(fd);
148 if (token == SD_STARTTOKEN)
150 if (kfile_read(fd, buf, len) == len)
152 if (kfile_read(fd, &crc, sizeof(crc)) == sizeof(crc))
153 /* check CRC here if needed */
156 LOG_ERR("get_block error getting crc\n");
159 LOG_ERR("get_block len error: %d\n", (int)len);
162 LOG_ERR("get_block token error: %02X\n", token);
168 LOG_ERR("get_block timeout waiting token\n");
172 #define SD_SELECT(sd) \
175 if (!sd_select((sd), true)) \
177 LOG_ERR("%s failed, card busy\n", __func__); \
183 #define SD_SETBLOCKLEN 0x50
185 static int16_t sd_setBlockLen(Sd *sd, uint32_t newlen)
189 sd->r1 = sd_sendCommand(sd, SD_SETBLOCKLEN, newlen, 0);
191 sd_select(sd, false);
195 #define SD_SEND_CSD 0x49
197 static int16_t sd_getCSD(Sd *sd, CardCSD *csd)
201 int16_t r1 = sd_sendCommand(sd, SD_SEND_CSD, 0, 0);
205 LOG_ERR("send_csd failed: %04X\n", sd->r1);
206 sd_select(sd, false);
211 bool res = sd_getBlock(sd, buf, sizeof(buf));
212 sd_select(sd, false);
216 #if LOG_LEVEL >= LOG_LVL_INFO
218 for (int i = 0; i < 16; i++)
219 kprintf("%02X ", buf[i]);
223 uint16_t mult = (1L << ((((buf[9] & 0x03) << 1) | ((buf[10] & 0x80) >> 7)) + 2));
224 uint16_t c_size = (((uint16_t)(buf[6] & 0x03)) << 10) | (((uint16_t)buf[7]) << 2) |
225 (((uint16_t)(buf[8] & 0xC0)) >> 6);
227 csd->block_len = (1L << (buf[5] & 0x0F));
228 csd->block_num = (c_size + 1) * mult;
229 csd->capacity = (csd->block_len * csd->block_num) >> 20; // in MB
231 LOG_INFO("block_len %d bytes, block_num %ld, total capacity %dMB\n", csd->block_len, csd->block_num, csd->capacity);
239 #define SD_READ_SINGLEBLOCK 0x51
241 static size_t sd_readDirect(struct KBlock *b, block_idx_t idx, void *buf, size_t offset, size_t size)
244 LOG_INFO("reading from block %ld, offset %d, size %d\n", idx, offset, size);
246 if (sd->tranfer_len != size)
248 if ((sd->r1 = sd_setBlockLen(sd, size)))
250 LOG_ERR("setBlockLen failed: %04X\n", sd->r1);
253 sd->tranfer_len = size;
258 sd->r1 = sd_sendCommand(sd, SD_READ_SINGLEBLOCK, idx * SD_DEFAULT_BLOCKLEN + offset, 0);
262 LOG_ERR("read single block failed: %04X\n", sd->r1);
263 sd_select(sd, false);
267 bool res = sd_getBlock(sd, buf, size);
268 sd_select(sd, false);
271 LOG_ERR("read single block failed reading data\n");
278 #define SD_WRITE_SINGLEBLOCK 0x58
279 #define SD_DATA_ACCEPTED 0x05
281 static size_t sd_writeDirect(KBlock *b, block_idx_t idx, const void *buf, size_t offset, size_t size)
286 ASSERT(size == SD_DEFAULT_BLOCKLEN);
288 LOG_INFO("writing block %ld\n", idx);
289 if (sd->tranfer_len != SD_DEFAULT_BLOCKLEN)
291 if ((sd->r1 = sd_setBlockLen(sd, SD_DEFAULT_BLOCKLEN)))
293 LOG_ERR("setBlockLen failed: %04X\n", sd->r1);
296 sd->tranfer_len = SD_DEFAULT_BLOCKLEN;
301 sd->r1 = sd_sendCommand(sd, SD_WRITE_SINGLEBLOCK, idx * SD_DEFAULT_BLOCKLEN, 0);
305 LOG_ERR("write single block failed: %04X\n", sd->r1);
306 sd_select(sd, false);
310 kfile_putc(SD_STARTTOKEN, fd);
311 kfile_write(fd, buf, SD_DEFAULT_BLOCKLEN);
316 uint8_t dataresp = kfile_getc(fd);
317 sd_select(sd, false);
319 if ((dataresp & 0x1f) != SD_DATA_ACCEPTED)
321 LOG_ERR("write block %ld failed: %02X\n", idx, dataresp);
325 return SD_DEFAULT_BLOCKLEN;
328 void sd_writeTest(Sd *sd)
330 uint8_t buf[SD_DEFAULT_BLOCKLEN];
331 memset(buf, 0, sizeof(buf));
333 for (block_idx_t i = 0; i < sd->b.blk_cnt; i++)
335 LOG_INFO("writing block %ld: %s\n", i, (sd_writeDirect(&sd->b, i, buf, 0, SD_DEFAULT_BLOCKLEN) == SD_DEFAULT_BLOCKLEN) ? "OK" : "FAIL");
342 uint8_t buf[SD_DEFAULT_BLOCKLEN];
344 if (sd_readDirect(&sd->b, 0, buf, 0, sd->b.blk_size) != sd->b.blk_size)
348 for (int i = 0; i < SD_DEFAULT_BLOCKLEN; i++)
350 kprintf("%02X ", buf[i]);
356 if (sd_writeDirect(&sd->b, 0, buf, 0, SD_DEFAULT_BLOCKLEN) != SD_DEFAULT_BLOCKLEN)
359 memset(buf, 0, sizeof(buf));
360 if (sd_readDirect(&sd->b, 0, buf, 0, sd->b.blk_size) != sd->b.blk_size)
364 for (block_idx_t i = 0; i < sd->b.blk_size; i++)
366 kprintf("%02X ", buf[i]);
375 static int sd_error(KBlock *b)
381 static void sd_clearerr(KBlock *b)
387 static const KBlockVTable sd_unbuffered_vt =
389 .readDirect = sd_readDirect,
390 .writeDirect = sd_writeDirect,
393 .clearerr = sd_clearerr,
396 static const KBlockVTable sd_buffered_vt =
398 .readDirect = sd_readDirect,
399 .writeDirect = sd_writeDirect,
401 .readBuf = kblock_swReadBuf,
402 .writeBuf = kblock_swWriteBuf,
403 .load = kblock_swLoad,
404 .store = kblock_swStore,
407 .clearerr = sd_clearerr,
410 #define SD_GO_IDLE_STATE 0x40
411 #define SD_GO_IDLE_STATE_CRC 0x95
412 #define SD_SEND_OP_COND 0x41
413 #define SD_SEND_OP_COND_CRC 0xF9
415 #define SD_START_DELAY 10
416 #define SD_INIT_TIMEOUT ms_to_ticks(2000)
417 #define SD_IDLE_RETRIES 4
419 static bool sd_blockInit(Sd *sd, KFile *ch)
423 memset(sd, 0, sizeof(*sd));
424 DB(sd->b.priv.type = KBT_SD);
430 /* Wait a few moments for supply voltage to stabilize */
431 timer_delay(SD_START_DELAY);
433 /* Give 80 clk pulses to wake up the card */
434 for (int i = 0; i < 10; i++)
435 kfile_putc(0xff, ch);
438 for (int i = 0; i < SD_IDLE_RETRIES; i++)
441 sd->r1 = sd_sendCommand(sd, SD_GO_IDLE_STATE, 0, SD_GO_IDLE_STATE_CRC);
442 sd_select(sd, false);
444 if (sd->r1 == SD_IN_IDLE)
448 if (sd->r1 != SD_IN_IDLE)
450 LOG_ERR("go_idle_state failed: %04X\n", sd->r1);
454 ticks_t start = timer_clock();
456 /* Wait for card to start */
460 sd->r1 = sd_sendCommand(sd, SD_SEND_OP_COND, 0, SD_SEND_OP_COND_CRC);
461 sd_select(sd, false);
464 while (sd->r1 != 0 && timer_clock() - start < SD_INIT_TIMEOUT);
468 LOG_ERR("send_op_cond failed: %04X\n", sd->r1);
472 sd->r1 = sd_setBlockLen(sd, SD_DEFAULT_BLOCKLEN);
473 sd->tranfer_len = SD_DEFAULT_BLOCKLEN;
477 LOG_ERR("setBlockLen failed: %04X\n", sd->r1);
481 /* Avoid warning for uninitialized csd use (gcc bug?) */
484 sd->r1 = sd_getCSD(sd, &csd);
488 LOG_ERR("getCSD failed: %04X\n", sd->r1);
492 sd->b.blk_size = SD_DEFAULT_BLOCKLEN;
493 sd->b.blk_cnt = csd.block_num * (csd.block_len / SD_DEFAULT_BLOCKLEN);
494 LOG_INFO("blk_size %d, blk_cnt %ld\n", sd->b.blk_size, sd->b.blk_cnt);
496 #if CONFIG_SD_AUTOASSIGN_FAT
497 disk_assignDrive(&sd->b, 0);
505 #include <drv/hsmci_sam3.h>
507 /* SD commands type argument response */
509 /* This is basically the same command as for MMC with some quirks. */
510 #define SD_SEND_RELATIVE_ADDR 3 /* bcr R6 */
511 #define SD_SEND_IF_COND 8 /* bcr [11:0] See below R7 */
512 #define SD_SWITCH_VOLTAGE 11 /* ac R1 */
515 #define SD_SWITCH 6 /* adtc [31:0] See below R1 */
518 #define SD_ERASE_WR_BLK_START 32 /* ac [31:0] data addr R1 */
519 #define SD_ERASE_WR_BLK_END 33 /* ac [31:0] data addr R1 */
521 /* Application commands */
522 #define SD_APP_SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
523 #define SD_APP_SD_STATUS 13 /* adtc R1 */
524 #define SD_APP_SEND_NUM_WR_BLKS 22 /* adtc R1 */
525 #define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */
526 #define SD_APP_SEND_SCR 51 /* adtc R1 */
528 /* OCR bit definitions */
529 #define SD_OCR_S18R (1 << 24) /* 1.8V switching request */
530 #define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */
531 #define SD_OCR_XPC (1 << 28) /* SDXC power control */
534 * SD_SWITCH argument format:
536 * [31] Check (0) or switch (1)
537 * [30:24] Reserved (0)
538 * [23:20] Function group 6
539 * [19:16] Function group 5
540 * [15:12] Function group 4
541 * [11:8] Function group 3
542 * [7:4] Function group 2
543 * [3:0] Function group 1
547 * SD_SEND_IF_COND argument format:
549 * [31:12] Reserved (0)
550 * [11:8] Host Voltage Supply Flags
551 * [7:0] Check Pattern (0xAA)
555 * SCR field definitions
558 #define SCR_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.01 */
559 #define SCR_SPEC_VER_1 1 /* Implements system specification 1.10 */
560 #define SCR_SPEC_VER_2 2 /* Implements system specification 2.00-3.0X */
562 #define UNSTUFF_BITS(resp, start, size) \
564 const uint32_t __size = size; \
565 const uint32_t __mask = (__size < 32 ? 1 << __size : 0) - 1; \
566 const uint32_t __off = 3 - ((start) / 32); \
567 const uint32_t __shft = (start) & 31; \
570 __res = resp[__off] >> __shft; \
571 if (__size + __shft > 32) \
572 __res |= resp[__off-1] << ((32 - __shft) % 32); \
577 #define SD_ADDR_TO_RCA(addr) (uint32_t)(((addr) << 16) & 0xFFFF0000)
579 #define BCD_TO_INT_32BIT(bcd) ((uint32_t )((bcd) & 0xf) * 1 + \
580 (((bcd) >> 4) & 0xf) * 10 + \
581 (((bcd) >> 8) & 0xf) * 100 + \
582 (((bcd) >> 12) & 0xf) * 1000 + \
583 (((bcd) >> 16) & 0xf) * 10000 + \
584 (((bcd) >> 20) & 0xf) * 100000 + \
585 (((bcd) >> 24) & 0xf) * 1000000 + \
586 (((bcd) >> 28) & 0xf) * 10000000) \
589 static void dump(const char *label, uint32_t *r, size_t len)
594 kprintf("\n%s [\n", label);
595 for (i = 0; i < len; i++)
602 kprintf("%08lx", r[i]);
605 kprintf("\n] len=%d\n\n", i);
609 static const uint32_t tran_exp[] = {
610 10000, 100000, 1000000, 10000000,
614 static const uint8_t tran_mant[] = {
615 0, 10, 12, 13, 15, 20, 25, 30,
616 35, 40, 45, 50, 55, 60, 70, 80,
619 static int sd_decodeCsd(SDcsd *csd, uint32_t *resp, size_t len)
625 csd->structure = UNSTUFF_BITS(resp, 126, 2);
626 csd->ccc = UNSTUFF_BITS(resp, 84, 12);
628 csd->max_data_rate = tran_exp[UNSTUFF_BITS(resp, 96, 3)] * tran_mant[UNSTUFF_BITS(resp, 99, 4)];
633 * - Version 1.01-1.10
634 * - Version 2.00/Standard Capacity
636 * - Version 2.00/High Capacity
640 if (csd->structure == 0)
642 // (C_size + 1) x 2^(C_SIZE_MUL+2)
643 csd->blk_num = (1 + UNSTUFF_BITS(resp, 62, 12)) << (UNSTUFF_BITS(resp, 47, 3) + 2);
645 csd->read_blk_bits = UNSTUFF_BITS(resp, 80, 4);
646 csd->write_blk_bits = UNSTUFF_BITS(resp, 22, 4);
648 csd->blk_len = 1 << csd->read_blk_bits;
649 csd->capacity = csd->blk_num * csd->blk_len;
651 csd->read_partial = UNSTUFF_BITS(resp, 79, 1);
652 csd->read_misalign = UNSTUFF_BITS(resp, 77, 1);
654 csd->write_misalign = UNSTUFF_BITS(resp, 78, 1);
655 csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
657 if (UNSTUFF_BITS(resp, 46, 1))
661 else if(csd->write_blk_bits >= 9)
663 csd->erase_size = UNSTUFF_BITS(resp, 39, 7) + 1;
664 csd->erase_size <<= csd->write_blk_bits - 9;
669 else if (csd->structure == 1)
671 kprintf("csize %ld\n", UNSTUFF_BITS(resp, 48, 22));
672 csd->capacity = (1 + UNSTUFF_BITS(resp, 48, 22)) << 10;
674 csd->write_blk_bits = 9;
675 csd->write_partial = 0;
676 csd->write_misalign = 0;
678 csd->read_blk_bits = 9;
679 csd->read_partial = 0;
680 csd->read_misalign = 0;
683 // the block size if fixed to 512kb
684 csd->blk_len = (1 << csd->write_blk_bits) << 10;
690 kprintf("Unrecognised CSD structure version %d\n", csd->structure);
698 void sd_dumpCsd(Sd *sd)
702 LOG_INFO("VERSION: %d.0\n", sd->csd.structure ? 2 : 1);
703 LOG_INFO("CARD COMMAND CLASS: %d\n", sd->csd.ccc);
704 LOG_INFO("MAX DATA RATE: %ld\n", sd->csd.max_data_rate);
705 LOG_INFO("WRITE BLK LEN BITS: %ld\n", sd->csd.write_blk_bits);
706 LOG_INFO("READ BLK LEN BITS: %ld\n", sd->csd.read_blk_bits);
707 LOG_INFO("ERASE SIZE: %ld\n", sd->csd.erase_size);
708 LOG_INFO("BLK NUM: %ld\n", sd->csd.blk_num);
709 LOG_INFO("BLK LEN: %ld\n", sd->csd.blk_len);
710 LOG_INFO("CAPACITY %ld\n", sd->csd.capacity);
711 LOG_INFO("FLAG Write: WP %d, W MISALIGN %d\n", sd->csd.write_partial, sd->csd.write_misalign);
712 LOG_INFO("FLAG Read: RP %d, R MISALIGN %d\n", sd->csd.read_partial, sd->csd.read_misalign);
716 void sd_dumpCid(Sd *sd)
720 LOG_INFO("MANFID: %d\n", sd->cid.manfid);
721 LOG_INFO("OEMID: %d\n", sd->cid.oemid);
722 LOG_INFO("SERIAL: %ld\n", sd->cid.serial);
723 LOG_INFO("PROD_NAME: %s\n", sd->cid.prod_name);
724 LOG_INFO("REV: %d.%d\n", sd->cid.m_rev, sd->cid.l_rev);
725 LOG_INFO("OFF,Y,M: %lx, %ld %ld\n", sd->cid.year_off, (BCD_TO_INT_32BIT(sd->cid.year_off) / 12) + 2000,
726 (BCD_TO_INT_32BIT(sd->cid.year_off) % 12));
729 void sd_dumpSsr(Sd *sd)
733 LOG_INFO("BUS_WIDTH: %d\n", sd->ssr.bus_width);
734 LOG_INFO("TYPE: %d\n", sd->ssr.card_type);
735 LOG_INFO("AU_TYPE: %d\n", sd->ssr.au_size);
736 LOG_INFO("ERASE_SIZE: %d\n", sd->ssr.erase_size);
737 LOG_INFO("SPEED_CLASS: %d\n", sd->ssr.speed_class);
741 void sd_sendInit(void)
743 hsmci_init(NULL); //TODO: REMOVE IT!
745 if (hsmci_sendCmd(0, 0, HSMCI_CMDR_SPCMD_INIT | HSMCI_CMDR_RSPTYP_NORESP))
746 LOG_ERR("INIT: %lx\n", HSMCI_SR);
752 hsmci_setSpeed(HSMCI_INIT_SPEED, false);
753 if (hsmci_sendCmd(0, 0, HSMCI_CMDR_RSPTYP_NORESP))
754 LOG_ERR("GO_IDLE: %lx\n", HSMCI_SR);
757 int sd_sendIfCond(void)
759 if (hsmci_sendCmd(8, CMD8_V_RANGE_27V_36V, HSMCI_CMDR_RSPTYP_48_BIT))
761 LOG_ERR("IF_COND %lx\n", HSMCI_SR);
766 uint32_t r = HSMCI_RSPR;
767 if ((r & 0xFFF) == CMD8_V_RANGE_27V_36V)
769 LOG_INFO("IF_COND: %lx\n", r);
772 LOG_ERR("IF_COND: %lx\n", r);
777 int sd_sendAppOpCond(void)
779 if (hsmci_sendCmd(55, 0, HSMCI_CMDR_RSPTYP_48_BIT))
781 LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
786 LOG_INFO("APP_CMD %lx\n", HSMCI_RSPR);
789 if (hsmci_sendCmd(41, SD_HOST_VOLTAGE_RANGE | SD_OCR_CCS, HSMCI_CMDR_RSPTYP_48_BIT))// se cmd 8 va ok.
791 LOG_ERR("APP_OP_COND %lx\n", HSMCI_SR);
796 uint32_t status = HSMCI_RSPR;
797 if (status & SD_OCR_BUSY)
799 LOG_INFO("SD power up! Hight Capability [%d]\n", (bool)(status & SD_OCR_CCS));
803 LOG_ERR("sd not ready.\n");
810 int sd_getCid(Sd *sd, uint32_t addr, uint8_t flag)
813 memset(&(sd->cid), 0, sizeof(SDcid));
815 uint8_t idx = 9; // CMD9 get cid from gived sd address (RCA)
816 if (flag & SD_SEND_ALL_CID)
820 if (hsmci_sendCmd(idx, SD_ADDR_TO_RCA(addr), HSMCI_CMDR_RSPTYP_136_BIT))
822 LOG_ERR("GET_CID %lx\n", HSMCI_SR);
828 hsmci_readResp(resp, 4);
829 LOG_INFOB(dump("CID", resp, 4););
831 sd->cid.manfid = UNSTUFF_BITS(resp, 120, 8);
832 sd->cid.oemid = UNSTUFF_BITS(resp, 104, 16);
833 sd->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8);
834 sd->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8);
835 sd->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8);
836 sd->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8);
837 sd->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8);
838 sd->cid.m_rev = UNSTUFF_BITS(resp, 60, 4);
839 sd->cid.l_rev = UNSTUFF_BITS(resp, 56, 4);
840 sd->cid.serial = (uint32_t)UNSTUFF_BITS(resp, 24, 32);
841 sd->cid.year_off = UNSTUFF_BITS(resp, 8, 12);
847 int sd_getCsd(Sd *sd)
850 memset(&(sd->csd), 0, sizeof(SDcsd));
852 LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
853 if (hsmci_sendCmd(9, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_136_BIT))
855 LOG_ERR("GET_CSD %lx\n", HSMCI_SR);
861 hsmci_readResp(resp, 4);
862 LOG_INFOB(dump("CSD", resp, 4););
863 sd_decodeCsd(&(sd->csd), resp, 4);
869 int sd_getRelativeAddr(Sd *sd)
872 if (hsmci_sendCmd(3, 0, HSMCI_CMDR_RSPTYP_48_BIT))
874 LOG_ERR("RCA: %lx\n", HSMCI_SR);
878 hsmci_readResp(&sd->addr, 1);
879 sd->addr = sd->addr >> 16;
881 LOG_INFOB(dump("RCA", &sd->addr, 1););
886 #define SD_STATUS_APP_CMD BV(5)
887 #define SD_STATUS_READY BV(8)
888 #define SD_STATUS_CURR_MASK 0x1E00
889 #define SD_STATUS_CURR_SHIFT 9
891 #define SD_GET_STATE(status) (uint8_t)(((status) & SD_STATUS_CURR_MASK) >> SD_STATUS_CURR_SHIFT)
893 int sd_appStatus(Sd *sd)
896 LOG_INFO("Send to RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
897 if (hsmci_sendCmd(13, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
899 LOG_ERR("STATUS: %lx\n", HSMCI_SR);
903 hsmci_readResp(&(sd->status), 1);
904 LOG_INFOB(dump("STATUS", &(sd->status), 1););
906 LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
908 if (sd->status & SD_STATUS_READY)
915 INLINE int sd_cardSelection(Sd *sd, size_t rca)
918 LOG_INFO("Select RCA: %lx\n", SD_ADDR_TO_RCA(sd->addr));
919 if (hsmci_sendCmd(7, rca, HSMCI_CMDR_RSPTYP_R1B))
921 LOG_ERR("SELECT_SD: %lx\n", HSMCI_SR);
926 hsmci_readResp(&(sd->status), 1);
927 LOG_INFOB(dump("SELECT_SD", &(sd->status), 1););
929 LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
931 if (sd->status & SD_STATUS_READY)
937 int sd_selectCard(Sd *sd)
939 return sd_cardSelection(sd, SD_ADDR_TO_RCA(sd->addr));
942 int sd_deSelectCard(Sd *sd)
946 rca = SD_ADDR_TO_RCA(sd->addr + 1);
948 return sd_cardSelection(sd, rca);
952 int sd_setBusWidth(Sd *sd, size_t len)
956 if (hsmci_sendCmd(55, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
958 LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
962 uint32_t status = HSMCI_RSPR;
963 if (status & (SD_STATUS_APP_CMD | SD_STATUS_READY))
965 hsmci_setBusWidth(len);
971 if (hsmci_sendCmd(6, arg, HSMCI_CMDR_RSPTYP_48_BIT))
973 LOG_ERR("SET_BUS_WIDTH CMD: %lx\n", HSMCI_SR);
977 hsmci_readResp(&(sd->status), 1);
979 LOG_INFOB(dump("SET_BUS_WIDTH", &(sd->status), 1););
980 LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
982 if (sd->status & SD_STATUS_READY)
986 LOG_ERR("SET_BUS_WIDTH REP %lx\n", status);
991 int sd_set_BlockLen(Sd *sd, size_t len)
995 if (hsmci_sendCmd(16, len, HSMCI_CMDR_RSPTYP_48_BIT))
997 LOG_ERR("SET_BLK_LEN: %lx\n", HSMCI_SR);
1001 hsmci_readResp(&(sd->status), 1);
1003 LOG_INFOB(dump("SET_BLK_LEN", &(sd->status), 1););
1004 LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
1006 sd->csd.blk_len = len;
1008 if (sd->status & SD_STATUS_READY)
1014 int sd_getStatus(Sd *sd, uint32_t *buf, size_t words)
1018 // Status reply with 512bit data, so the block size in byte is 64
1019 hsmci_prgRxDMA(buf, words, 64);
1021 if (hsmci_sendCmd(55, SD_ADDR_TO_RCA(sd->addr), HSMCI_CMDR_RSPTYP_48_BIT))
1023 LOG_ERR("APP_CMD %lx\n", HSMCI_SR);
1027 uint32_t status = HSMCI_RSPR;
1028 if (status & (SD_STATUS_APP_CMD | SD_STATUS_READY))
1030 if (hsmci_sendCmd(13, 0, HSMCI_CMDR_RSPTYP_48_BIT |
1031 BV(HSMCI_CMDR_TRDIR) | HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
1033 LOG_ERR("STATUS CMD: %lx\n", HSMCI_SR);
1037 hsmci_readResp(&(sd->status), 1);
1038 LOG_INFOB(dump("STATUS", &(sd->status), 1););
1039 LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
1041 if (sd->status & SD_STATUS_READY)
1043 hsmci_waitTransfer();
1045 LOG_INFOB(dump("STATUS", buf, words););
1046 memset(&(sd->ssr), 0, sizeof(SDssr));
1048 sd->ssr.bus_width = UNSTUFF_BITS(buf, 510, 2);
1049 sd->ssr.card_type = UNSTUFF_BITS(buf, 480, 16);
1050 sd->ssr.au_size = UNSTUFF_BITS(buf, 432, 8);
1051 sd->ssr.speed_class = UNSTUFF_BITS(buf, 440, 8);
1052 sd->ssr.erase_size = UNSTUFF_BITS(buf, 408, 24);
1063 int sd_readSingleBlock(Sd *sd, size_t index, uint32_t *buf, size_t words)
1068 hsmci_prgRxDMA(buf, words, sd->csd.blk_len);
1070 if (hsmci_sendCmd(17, index * sd->csd.blk_len, HSMCI_CMDR_RSPTYP_48_BIT |
1071 BV(HSMCI_CMDR_TRDIR) | HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
1073 LOG_ERR("SIGLE_BLK_READ: %lx\n", HSMCI_SR);
1076 hsmci_readResp(&(sd->status), 1);
1078 LOG_INFOB(dump("SIGLE_BLK_READ", &(sd->status), 1););
1079 LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
1081 if (sd->status & SD_STATUS_READY)
1083 hsmci_waitTransfer();
1084 LOG_INFOB(dump("BLK", buf, words););
1093 int sd_writeSingleBlock(Sd *sd, size_t index, uint32_t *buf, size_t words)
1098 hsmci_prgTxDMA(buf, words, sd->csd.blk_len);
1100 if (hsmci_sendCmd(24, index * sd->csd.blk_len, HSMCI_CMDR_RSPTYP_48_BIT |
1101 HSMCI_CMDR_TRCMD_START_DATA | HSMCI_CMDR_TRTYP_SINGLE))
1103 LOG_ERR("SIGLE_BLK_WRITE: %lx\n", HSMCI_SR);
1106 hsmci_readResp(&(sd->status), 1);
1108 LOG_INFOB(dump("SIGLE_BLK_WR", &(sd->status), 1););
1109 LOG_INFO("State[%d]\n", SD_GET_STATE(sd->status));
1111 if (sd->status & SD_STATUS_READY)
1113 hsmci_waitTransfer();
1114 LOG_INFOB(dump("BLK", buf, words););
1124 void sd_setHightSpeed(Sd *sd)
1127 hsmci_setSpeed(2100000, true);
1134 bool sd_initUnbuf(Sd *sd, KFile *ch)
1136 if (sd_blockInit(sd, ch))
1138 sd->b.priv.vt = &sd_unbuffered_vt;
1145 static uint8_t sd_buf[SD_DEFAULT_BLOCKLEN];
1147 bool sd_initBuf(Sd *sd, KFile *ch)
1149 if (sd_blockInit(sd, ch))
1151 sd->b.priv.buf = sd_buf;
1152 sd->b.priv.flags |= KB_BUFFERED | KB_PARTIAL_WRITE;
1153 sd->b.priv.vt = &sd_buffered_vt;
1154 sd->b.priv.vt->load(&sd->b, 0);